A Current-Accuracy-Enhanced Wide-Input-Range DC-DC LED Driver With Feedforward Synchronous Current Control.
IEEE Transactions on Circuits and Systems I: Regular Papers（2018）
摘要
A wide-input-range (5-115 V) current-accuracyenhanced dc-dc LED driver is presented in this paper. A feedforward synchronous current control (FSCC) scheme is developed to improve the LED current accuracy over wide ranges of input and output voltages. In the FSCC, a reconfigurable valley current sensor is proposed to provide accurate positive and negative valley inductor current information for the...
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关键词
Light emitting diodes,Inductors,Voltage control,Switches,Power capacitors,Lighting,Feedforward systems
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